EP3913278A4 - Lighting apparatus - Google Patents

Lighting apparatus Download PDF

Info

Publication number
EP3913278A4
EP3913278A4 EP19910368.0A EP19910368A EP3913278A4 EP 3913278 A4 EP3913278 A4 EP 3913278A4 EP 19910368 A EP19910368 A EP 19910368A EP 3913278 A4 EP3913278 A4 EP 3913278A4
Authority
EP
European Patent Office
Prior art keywords
lighting apparatus
lighting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP19910368.0A
Other languages
German (de)
French (fr)
Other versions
EP3913278A1 (en
Inventor
Bin Chen
Ru JIANG
Xianpeng ZHANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YLX Inc
Original Assignee
YLX Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YLX Inc filed Critical YLX Inc
Publication of EP3913278A1 publication Critical patent/EP3913278A1/en
Publication of EP3913278A4 publication Critical patent/EP3913278A4/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the fibre
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/141—Light emitting diodes [LED]
    • F21S41/143—Light emitting diodes [LED] the main emission direction of the LED being parallel to the optical axis of the illuminating device
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/24—Light guides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/285—Refractors, transparent cover plates, light guides or filters not provided in groups F21S41/24 - F21S41/2805
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/101—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening permanently, e.g. welding, gluing or riveting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0045—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide
    • G02B6/0046—Tapered light guide, e.g. wedge-shaped light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0076—Stacked arrangements of multiple light guides of the same or different cross-sectional area
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/30—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides doped with fluorescent agents
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0075—Arrangements of multiple light guides
    • G02B6/0078—Side-by-side arrangements, e.g. for large area displays

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP19910368.0A 2019-01-18 2019-12-23 Lighting apparatus Pending EP3913278A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910047287.6A CN111457275A (en) 2019-01-18 2019-01-18 Lighting device
PCT/CN2019/127259 WO2020147515A1 (en) 2019-01-18 2019-12-23 Lighting apparatus

Publications (2)

Publication Number Publication Date
EP3913278A1 EP3913278A1 (en) 2021-11-24
EP3913278A4 true EP3913278A4 (en) 2022-10-12

Family

ID=71614169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910368.0A Pending EP3913278A4 (en) 2019-01-18 2019-12-23 Lighting apparatus

Country Status (5)

Country Link
US (1) US11313527B2 (en)
EP (1) EP3913278A4 (en)
JP (1) JP7164245B2 (en)
CN (1) CN111457275A (en)
WO (1) WO2020147515A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515243A (en) * 1994-10-25 1996-05-07 General Electric Company Retrofit optical assembly for lighting system
US20050281530A1 (en) * 1995-08-31 2005-12-22 Rizoiu Ioana M Modified-output fiber optic tips
US20160356445A1 (en) * 2015-06-03 2016-12-08 Coretronic Corporation Vehicle illumination apparatus
DE102016202563A1 (en) * 2016-02-19 2017-08-24 Osram Gmbh RETROFIT LAMP AND VEHICLE HEADLAMP WITH RETROFIT LAMP
US20170276860A1 (en) * 2016-03-22 2017-09-28 Osram Gmbh Retrofit lamp and vehicle headlight with retrofit lamp
CN207438471U (en) * 2017-10-26 2018-06-01 深圳市中曼科技有限公司 A kind of car light guiding column

Family Cites Families (23)

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Publication number Priority date Publication date Assignee Title
DE102005017528A1 (en) * 2004-08-27 2006-03-09 Osram Opto Semiconductors Gmbh Illuminant with predetermined emission characteristic and primary optic element for a light source
WO2007067758A2 (en) * 2005-12-08 2007-06-14 The Regents Of The University Of California High efficiency light emitting diode (led)
JP2009531151A (en) * 2006-03-23 2009-09-03 メデイコン コーポレーション Low reflection side output fiber probe
FR2901345B1 (en) * 2006-05-16 2008-07-18 Valeo Vision Sa LIGHTING AND / OR SIGNALING DEVICE FOR A MOTOR VEHICLE.
JP4277232B2 (en) * 2006-12-05 2009-06-10 カシオ計算機株式会社 Light source device, light source unit, and projector
JP2008234908A (en) * 2007-03-19 2008-10-02 Nec Lighting Ltd Led spotlight
JP5463095B2 (en) 2008-09-08 2014-04-09 株式会社小糸製作所 Infrared light irradiation lamp for vehicles
US7815351B2 (en) * 2008-10-23 2010-10-19 Hella Kg Hueck And Co. Light guide array
JP5380476B2 (en) * 2011-02-02 2014-01-08 シャープ株式会社 Light emitting device, lighting device and headlamp
DE102011050422A1 (en) * 2011-05-17 2012-11-22 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Light i.e. rear light, for motor car, has light guiding element whose upper and lower light exit surfaces are upwardly displaced against middle light exit surface that is positioned between upper and lower light exit surfaces
JP2013026162A (en) 2011-07-25 2013-02-04 Sharp Corp Lighting system and headlight for vehicle
KR101853873B1 (en) * 2011-07-28 2018-06-21 삼성디스플레이 주식회사 Display Apparatus
JP5535252B2 (en) * 2012-02-08 2014-07-02 シャープ株式会社 Light projecting device and light guide member used therefor
EP3006820B1 (en) * 2013-05-29 2020-04-29 Sharp Kabushiki Kaisha Light emitting device and lighting device
EP3011608B1 (en) 2013-06-20 2017-01-11 Philips Lighting Holding B.V. Light emitting device
WO2015001693A1 (en) * 2013-07-04 2015-01-08 パナソニックＩｐマネジメント株式会社 Projection apparatus
CN105393048B (en) * 2013-08-12 2017-12-19 三菱电机株式会社 Front lamp device
JP2013243162A (en) 2013-08-29 2013-12-05 Sharp Corp Vehicle headlamp
EP3173687B1 (en) * 2014-07-25 2021-08-25 Stanley Electric Co., Ltd. Lighting fixture for vehicle
TWI616685B (en) * 2016-05-31 2018-03-01 隆達電子股份有限公司 Lighting system
JP2018137167A (en) 2017-02-23 2018-08-30 沖電気工業株式会社 Light guide body and electronic equipment
US10780819B2 (en) * 2018-12-19 2020-09-22 Ficosa North America Corporation Vehicle winglet with sequential blinker
CN209540617U (en) * 2019-01-18 2019-10-25 深圳市绎立锐光科技开发有限公司 A kind of lighting device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5515243A (en) * 1994-10-25 1996-05-07 General Electric Company Retrofit optical assembly for lighting system
US20050281530A1 (en) * 1995-08-31 2005-12-22 Rizoiu Ioana M Modified-output fiber optic tips
US20160356445A1 (en) * 2015-06-03 2016-12-08 Coretronic Corporation Vehicle illumination apparatus
DE102016202563A1 (en) * 2016-02-19 2017-08-24 Osram Gmbh RETROFIT LAMP AND VEHICLE HEADLAMP WITH RETROFIT LAMP
US20170276860A1 (en) * 2016-03-22 2017-09-28 Osram Gmbh Retrofit lamp and vehicle headlight with retrofit lamp
CN207438471U (en) * 2017-10-26 2018-06-01 深圳市中曼科技有限公司 A kind of car light guiding column

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020147515A1 *

Also Published As

Publication number Publication date
CN111457275A (en) 2020-07-28
EP3913278A1 (en) 2021-11-24
US11313527B2 (en) 2022-04-26
US20210262632A1 (en) 2021-08-26
WO2020147515A1 (en) 2020-07-23
JP2022502814A (en) 2022-01-11
JP7164245B2 (en) 2022-11-01

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